pgsql: Fix an oversight in join-removal optimization: we have to check

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От tgl@postgresql.org (Tom Lane)
Тема pgsql: Fix an oversight in join-removal optimization: we have to check
Дата
Msg-id 20100322135716.4A93E7541D0@cvs.postgresql.org
обсуждение исходный текст
Ответы Re: pgsql: Fix an oversight in join-removal optimization: we have to check
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Log Message:
-----------
Fix an oversight in join-removal optimization: we have to check not only for
plain Vars that are generated in the inner rel and used above the join, but
also for PlaceHolderVars.  Per report from Oleg K.

Modified Files:
--------------
    pgsql/src/backend/optimizer/path:
        joinpath.c (r1.130 -> r1.131)
        (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/backend/optimizer/path/joinpath.c?r1=1.130&r2=1.131)
    pgsql/src/test/regress/expected:
        join.out (r1.43 -> r1.44)
        (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/test/regress/expected/join.out?r1=1.43&r2=1.44)
    pgsql/src/test/regress/sql:
        join.sql (r1.32 -> r1.33)
        (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/test/regress/sql/join.sql?r1=1.32&r2=1.33)

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